... adapter 2.Chipset:RTL 8187L/8187B 3.Detachable 5dbi / 7dbi Antenna. 54M ALFA Wireless usb adapter Features:Features:1. Deciphering the ... , XP, SP2, Vista, MAC, LinuxOperating Temperature-20 ~ 70 CelsiusStorage Temperature-40 ~ 80 CelsiusHumidity10 ~90% (non-condensing)Size88(L)x 60 (W ... (H)mm ; BOX: 210(L)x152(W)x352(H)mm; Antenna: 191 mmWeight37.8g (Color BOX: 200g)CertificationFCC, CE, RoHS Package ...